Free extra payment calculator. Add extra principal to your monthly payment and see how much interest you save and how much earlier you pay off your loan. Supports monthly, yearly, or one-time extra payments. | No registration · Data never leaves your device
Zero dependencies · Works offlineExtra payments are voluntary additional principal payments on top of your regular monthly amount. Even small extra payments can significantly reduce total interest and shorten your loan term due to compounding effects. Common approaches include fixed monthly extras, annual bonus lump sums, or one-time large payments.